Aeromotive 14137 - 04-06 SUBARU 2.5L STI FUEL RAIL SYSTEM User Manual
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34. Reinstall intake manifold assembly replacing gaskets and retightening bolts as outlined in
factory service manual.
Note: When reinstalling he tumbler valve / intake manifold assembly locate the sensor on the
passenger side of the block directly behind the fuel rail and connect the wiring. With the bolts
installed loosely in the tumbler valves make sure there is clearance between the plug in the back
side of the fuel rail and the sensor by sliding the tumbler valve assembly forward then torque down
the tumbler valves as outline in the service manual.
35. Connect one of the AN-08 90-degree hose ends to the fuel pressure regulator and a
second to the front side of the driver side fuel rail. Plan a route for the line between the
fuel pressure regulator and the front of the driver side fuel rail, measure the length of fuel
line needed. See section titled Hose and Fitting Assembly for fuel line assembly
instructions. Once the hoses are assembled, ensure there is no debris in the hose and
install it.
36. Install one AN-06 o-ring on one of the AN-6 to 5/16 barb adapter fittings. Install this
fitting into the supply tee adapter fitting.